Solar panel



FIG. 1 is a front elevational view of a solar panel showing our new design;

FIG. 2 is a bottom plan view thereof. The top plan view is a mirror image of the bottom plan view; and,

FIG. 3 is a left side elevation view thereof.

The right side elevational view is a mirror image of the left side elevation view.

The rear elevational view is unclaimed and forms no part of the design.

The symbol break-lines shown in FIG. 1 represents the indeterminate length. 

CLAIM The ornamental design for a solar panel, as shown and described. 